UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'MLN4Cw+vOee+35bUzu0UX0SM+kj9yFPV4DP0NZ9wa68=' 
WHERE 
  key_id = '2d8b19f6e1aaa652cf6ef69ffd81f06372ceaa446f4d2ba06fc37336f87bd734' 
  AND (
    token = 'MLN4Cw+vOee+35bUzu0UX0SM+kj9yFPV4DP0NZ9wa68=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )